../ fzjkocn-s.jpg 05-Mar-2021 05:42 96135 fzjkocn-t.jpg 05-Mar-2021 05:42 3066 recognition-concept-voice-speech-detect-powerpo..> 05-Mar-2021 05:42 16151 recognition-concept-voice-speech-detect-powerpo..> 05-Mar-2021 05:42 106756